Meris. 



396 



Meristella ? Spec. 890-3, of Sherwood, E. Liberty, Brad- 

 ford Co. Upper Chemung^ VIII g. 



Meristina {Meristella) maria, Hall, Pal. N. Y.IV, 1867, p. 



299 ; 28th Rt. Mus. Edit. 

 1879, pi. 25, figs. 8-12.— 

 Pal. Ohio, Vol. 2, page 

 132, plate 7, figs. 5, 6. 

 — Figures here taken 

 from CoUett's Indiana 

 report of 1881, p 299, 

 plate 25, fig. 8, back of 

 a young shell, which has 

 not begun to develop 

 the middle groove, and 

 is proportionately 

 broader than old ones ; 

 figs. 9, 10, back and 

 [iiu." .^Niiiipr- ffiffi ^^'^^mm^^ ?i2^ front of a large mature 



individual ; fig. 11 front of another with a slighter groove ; fig. 

 12, side view of 9. — Niagara^ Vb. 



Meristina nitida, Hall (Atrgpa nitida.) Geol. 4th Dist. Tab. 



iNorrsfu fiy^^^zs "^H.Ms' 



of Organic Remains, p, 11, No. 14 (No. 13 on the plate), fig. 5. 

 Niagara limestone. See Pal. N. V. Vol 2, 1852, p. 268, pi. 55, 

 fig. \a to \g ; a very abundant little shell in the Niagara shale 

 at Lockport, N. Y. ; quite varied in form and proportion and 



